Finding the Fourth Proportional to 851,338.99, 1,277,208.96 and 252,305.11
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Solution
The fourth proportional to 851,338.99, 1,277,208.96 and 252,305.11 is: 378,517.08
Step by Step Solution
- Step 1: Write the proportion equation
851,338.99 : 1,277,208.96 = 252,305.11 : x - Step 2: Convert to fraction form
851,338.99/1,277,208.96 = 252,305.11/x - Step 3: Cross multiply
851,338.99x = 1,277,208.96 × 252,305.11 - Step 4: Simplify right side
851,338.99x = 322,246,347,145.79 - Step 5: Solve for x
x = 322,246,347,145.79/851,338.99 - Step 6: Final answer
x = 378,517.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.